Essentiel Antwerp Eruby in Grey. - size L (also in XS, S, M) Essentiel Antwerp Eruby in Grey. - size L (also in XS, S, M) Self: 67% polyester 25% viscose 8% nylon Beads, Pearls: 100% polyethylene Rhinestones: 100% glass. Made in China. Hand wash. Bead embroidery at front. Jersey fabric with metallic threading. ESSE-WK61. Eruby. The Belgium-based hubby and wife team, Esfan Eghtessadi and Inge Onsea, transformed a women's t-shirt line into a ready-to-wear collection which quickly took Europe by storm. Their success prompted a men's collection in 2004. Now the line is known for everything from trendy dresses to quirky tops and tees. It's clear that Essentiel has mastered blending that special European feel, with stateside flare to create covet-worthy pieces.